export function setCookie(c_name, value, expiredays) {
  var exdate = new Date();
  exdate.setDate(exdate.getDate() + expiredays);
  document.cookie = c_name + '=' + escape(value) +
    ((expiredays == null) ? '' : ';expires=' + exdate.toGMTString());
}
export function getCookie(c_name) {
  if (document.cookie.length > 0) {
   let  c_start = document.cookie.indexOf(c_name + '=');
    if (c_start != -1) {
      c_start = c_start + c_name.length + 1;
     let c_end = document.cookie.indexOf(';', c_start);
      if (c_end == -1) c_end = document.cookie.length;
      return unescape(document.cookie.substring(c_start, c_end));
    }
  }
  return '';
}
